短语词组短语collagen n fibre 骨胶纤维modified collagen fibre 变形胶原纤维skin collagen fibre 皮胶原纤维chrome collagen fibre 含铬的胶质纤维matrix collagen fibre 三维网络结构胶原纤维chrome e collagen fibre 含铬的胶质纤维 返回 collagen fibre